623
600 Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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623 Bearing Product Overview & Core Advantages
The 623 is a metric single row deep groove ball bearing designed for high-performance radial load applications. Engineered with precision ABEC1 tolerance and manufactured from high-grade chrome steel components, this bearing delivers reliable operation in compact spaces. Its optimized ball quantity and diameter configuration ensures smooth rotation and excellent durability. The open design requires lubrication but offers maximum versatility for various mounting configurations, making it an ideal solution for applications demanding high rotational accuracy and consistent performance.
623 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 62 | Deep Groove Ball Bearing Series | Standard dimension series with optimized radial load capacity |
| 3 | Bore Diameter: 3mm | Ultra-compact design for miniature applications |
| Open Construction | No seals or shields | Allows for custom lubrication and maximum speed capability |
623 Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: Features 7 precision balls with 1.588mm diameter arranged in a deep groove raceway, providing excellent radial load capacity and smooth operation.
Premium Material Construction: Chrome steel rings and balls combined with stainless steel cage ensure corrosion resistance and dimensional stability across the operating temperature range (-30° to 110°C).
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.002mm to 0.013mm) for consistent performance and reduced vibration.
High-Speed Capability: The open design and stainless steel cage enable operation at limiting speeds up to 50,000 rpm, making it suitable for high-speed applications.
623 Bearing Typical Application Areas
- Precision instruments and measuring devices
- Small electric motors and miniature drives
- Office automation equipment and computer peripherals
- Medical devices and dental handpieces
- Robotics and miniature mechanical systems
- Optical equipment and positioning mechanisms
